Parking Brake
- Duo-servo, electrically actuated , acts on the rear axle
- Brake drum diameter = 180 mm
| Location | Description | Type | Basic value | Tolerance 1 | Tolerance 2 |
|---|---|---|---|---|---|
| Brake booster diameter (vacuum) | Tandem/diameter | 8/9 Zoll | |||
| Brake booster transmission ratio (i) | 911 GT3 | Factor | 3.5 | ||
| Brake booster transmission ratio (i) | 911 Turbo | Factor | 5.5 | ||
| Brake disc diameter, front | Diameter | 410 mm | |||
| Brake disc diameter, rear | Diameter | 390 mm |